| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.44 | -0.40 |
| Feb | 2.43 | 2.64 | -0.21 |
| Mar | 3.23 | 3.28 | -0.05 |
| Apr | 3.44 | 3.47 | -0.03 |
| May | 3.79 | 3.97 | -0.18 |
| Jun | 4.47 | 4.49 | -0.02 |
| Jul | 4.35 | 4.32 | 0.03 |
| Aug | 3.58 | 3.69 | -0.11 |
| Sep | 3.58 | 3.72 | -0.14 |
| Oct | 3.03 | 3.19 | -0.16 |
| Nov | 3.00 | 3.13 | -0.13 |
| Dec | 3.18 | 3.36 | -0.18 |
41.12 | 42.70 | -1.58 |